New answers tagged chemistry
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Is it possible to use PNA as a replacement for DNA in an alien living being?
In theory, yes
PNA is capable of storing information in a similar manner to DNA. It would need its own suite of biomolecular engines to make its cells work, seeing as everything that we know has been ...
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Is it possible to use PNA as a replacement for DNA in an alien living being?
PNA is a potential precursor to RNA, so yes. It could possibly evolve as we understand it in an Alien species. It hasn't been proven to be prebiotic but it's ease of manufacture and stability make it ...
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Will fire still burn well in my atmosphere?: concentration vs partial pressure
Here is a frame challenge.
You are worried whether combustion can happen in your atmosphere. What is the most important form of combustion for humans? Oxidation or combustion of various substances in ...
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Will fire still burn well in my atmosphere?: concentration vs partial pressure
Fire yes, wood no. There are compounds that when combined will burn, period, because one of them is a strong oxidiser and/or produces molecular O2, or even Ozone, as part of the reaction. However wood ...
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Accepted
Will fire still burn well in my atmosphere?: concentration vs partial pressure
It depends entirely on what you are burning
Hypoxic fire suppression systems exist where the oxygen percentage is lowered to 15%.
Hypoxic fire suppression wikipedia
In a normobaric hypoxic ...
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Will fire still burn well in my atmosphere?: concentration vs partial pressure
I’m a relativist/particle physicist, not a chemist, but I have seen diamonds combust at cryogenic temperatures when exposed to nearly-pure oxygen. As it turns out the carbon-oxygen-to-$\mathrm{CO}_2$ ...
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